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Finding the Fourth Proportional to 492,119.94, 679,125.52 and 265,765.44

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Solution

The fourth proportional to 492,119.94, 679,125.52 and 265,765.44 is: 366,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,119.94 : 679,125.52 = 265,765.44 : x
  2. Step 2: Convert to fraction form
    492,119.94/679,125.52 = 265,765.44/x
  3. Step 3: Cross multiply
    492,119.94x = 679,125.52 × 265,765.44
  4. Step 4: Simplify right side
    492,119.94x = 180,488,089,426.90
  5. Step 5: Solve for x
    x = 180,488,089,426.90/492,119.94
  6. Step 6: Final answer
    x = 366,756.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.